5-(Chloromethyl)-2-(difluoromethyl)-3-methoxypyridine-6-carboxaldehyde
4-(Difluoromethyl)-2-iodo-5-(trifluoromethoxy)pyridine
4-(Chloromethyl)-3-(difluoromethyl)-6-methoxypyridine-2-carboxaldehyde
Ethyl 2-(chloromethyl)-6-(difluoromethyl)-3-methoxypyridine-4-carboxylate